Adding and Subtracting Fractions with Unlike Denominators

Front

Timmy took a bag of candy to school with him. The bag was 5/8 full. During the day, he gave away 1/4 of the bag of candy. How much candy did Timmy have left?

Back

3/8

Answer explanation

Make sure you find common denominators and subtract from the amount "Timmy" started with.

Front

Gracie brought 1/5 box of Fruit Loops, Alyssa brought 1/2 box of Cheerios, Kristina brought 3/10 box of Frosted Flakes. They combined all the cereal and spilled 3/10 of the total. How much cereal remains?

Back

7/10 of a box

Answer explanation

Think about adding the amounts together "combined". Make sure you remember there is more than one step, they also "spilled" some of the total.

Front

Jenna has 3/4 cup of laundry detergent. She used 1/3 cup of laundry detergent for each load she washes. How much detergent is remaining after she washes a load of laundry?

Back

5/12

Front

Maleke and Mason shared one large pizza. Maleke ate 1/3 of the pizza and Mason ate 3/8 of the pizza. What fraction of the pizza was NOT eaten?

Back

7/24

Answer explanation

How much did Mason and Meleke eat altogether? If you know how much they ate, then how much of the pizza was left uneaten?

Front

List of numbers that are common factors of 10 and 30: 2,5,10, 2,5,15,30, 2,5,15, 3,6,9,15

Back

2,5,10

Answer explanation

RAINBOWS!

Front

What is the greatest common factor of 3 and 18?

Back

3

Front

What is the least common multiple of 4 and 16?

Back

16

Front

What is the LCM of 12 and 20?

Back

60

Front

LCM of 6, 12, 48

Back

48

Front

What is the GCF of 4,6,15?

Back

1